Is this an example of your question? If so, they are marriage applications (intention to wed) by county, such as San francisco, Santa Clara, etc. This section falls under "Vital Statistics" where you will also find, deaths, births, all listed by county.
Friday, August 11, 1939
BERTELSEN. Paul—37. 448 Chenery
Street. CERVANTES, Frances—43, 605 San Jose Avenue.
BERTHOLD. Emil—39. 833 Dolores
Street. TULLIS, Mmme—33, 236 Sixth Avenue.
BOCCHIERI. Carmclo—23, 1365 Powell Street. AGUIRRE, Adele—13, 1056 Pacific Avenue.
CERDA, Miguel—37, Pittsburz. HERNANDEZ, Nicolma—27, 1745 Stockton Street.
COLTER. Ernest—22. St Charles, Iowa.CLARK, Betty—19, 167 Hernandez Ave